Octane, 4,5-dimethyl-
- Formula: C10H22
- Molecular weight: 142.2817
- IUPAC Standard InChIKey: DOYJTLUPPPUSMD-UHFFFAOYSA-N
- CAS Registry Number: 15869-96-2
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Stereoisomers:
- Other names: 4,5-Dimethyloctane
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Gas Chromatography
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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Kovats' RI, non-polar column, isothermal
Column type | Active phase | Temperature (C) | I | Reference | Comment |
---|---|---|---|---|---|
Capillary | Squalane | 100. | 943. | Heinzen, Soares, et al., 1999 | |
Capillary | Squalane | 60. | 943.1 | Chretien and Dubois, 1976 | |
Capillary | Apiezon L | 100. | 942. | Rappoport and Gäumann, 1973 | |
Capillary | Squalane | 60. | 942. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Capillary | Squalane | 60. | 944. | Matukuma, 1969 | N2; Column length: 91.4 m; Column diameter: 0.25 mm |
Van Den Dool and Kratz RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Cross-Linked Methylsilicone | 948. | Khorasheh, Gray, et al., 1989 | 5. K/min; Tstart: 40. C; Tend: 300. C |
Normal alkane RI, non-polar column, temperature ramp
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | OV-101 | 945. | Zenkevich and Ventura, 1991 | Helium, 50. C @ 0. min, 5. K/min, 240. C @ 0. min; Column length: 54. m; Column diameter: 0.26 mm |
Normal alkane RI, non-polar column, custom temperature program
Column type | Active phase | I | Reference | Comment |
---|---|---|---|---|
Capillary | Polydimethyl siloxane | 943. | Junkes, Castanho, et al., 2003 | Program: not specified |
References
Go To: Top, Gas Chromatography, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Heinzen, Soares, et al., 1999
Heinzen, V.E.F.; Soares, M.F.; Yunes, R.A.,
Semi-empirical topological method for the prediction of the chromatographic retention of cis- and trans-alkene isomers and alkanes,
J. Chromatogr. A, 1999, 849, 2, 495-506, https://doi.org/10.1016/S0021-9673(99)00530-0
. [all data]
Chretien and Dubois, 1976
Chretien, J.R.; Dubois, J.-E.,
New Perspectives in the Prediction of Kovats Indices,
J. Chromatogr., 1976, 126, 171-189, https://doi.org/10.1016/S0021-9673(01)84071-1
. [all data]
Rappoport and Gäumann, 1973
Rappoport, S.; Gäumann, T.,
114. L'indice de rétention des alcanes isomères en chromatographie en phase gazeuse,
Helv. Chim. Acta, 1973, 56, 3, 1145-1158, https://doi.org/10.1002/hlca.19730560338
. [all data]
Matukuma, 1969
Matukuma, A.,
Retention indices of alkanes through C10 and alkenes through C8 and relation between boiling points and retention data,
Gas Chromatogr., Int. Symp. Anal. Instrum. Div Instrum Soc. Amer., 1969, 7, 55-75. [all data]
Khorasheh, Gray, et al., 1989
Khorasheh, F.; Gray, M.R.; Selucky, M.L.,
Correlation for Kováts retention index of C9-C26 monoalkyl and polymethyl alkanes and alkenes,
J. Chromatogr., 1989, 481, 1-16, https://doi.org/10.1016/S0021-9673(01)96747-0
. [all data]
Zenkevich and Ventura, 1991
Zenkevich, I.G.; Ventura, K.,
Gas Chromatographic Identification of Volatile Products of Thermal Degradation of Bitumen,
Zh. Prikl. Khim. (Rus.), 1991, 9, 1974-1979. [all data]
Junkes, Castanho, et al., 2003
Junkes, B.S.; Castanho, R.D.M.; Amboni, C.; Yunes, R.A.; Heinzen, V.E.F.,
Semiempirical Topological Index: A Novel Molecular Descriptor for Quantitative Structure-Retention Relationship Studies,
Internet Electronic Journal of Molecular Design, 2003, 2, 1, 33-49. [all data]
Notes
Go To: Top, Gas Chromatography, References
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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